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Finding the Fourth Proportional to 515,464.97, 711,108.52 and 334,222.81

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Solution

The fourth proportional to 515,464.97, 711,108.52 and 334,222.81 is: 461,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,464.97 : 711,108.52 = 334,222.81 : x
  2. Step 2: Convert to fraction form
    515,464.97/711,108.52 = 334,222.81/x
  3. Step 3: Cross multiply
    515,464.97x = 711,108.52 × 334,222.81
  4. Step 4: Simplify right side
    515,464.97x = 237,668,685,156.01
  5. Step 5: Solve for x
    x = 237,668,685,156.01/515,464.97
  6. Step 6: Final answer
    x = 461,076.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.